Typographical composing and casting machine



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Patented May 21, 1940 UNITED STATES Z,2@1,lit

TYPOGRAPHICAL COMPOSING AND CASTING MACHINE George 1?; Kingsbury,Hollis, N. Y., assignor to I Mergenthaler Linotype Company, a.corporation of New York Application April 1, 1939, Serial No. 265,564

20 Claims.

This invention relates to typographical composing and casting machinesof the general organization represented in U. S. Letters Patent No.436,532, wherein circulating matrices and spacers are released fromtheir places of storage in response to the operation of a keyboard andthen composed in line in an assembler under the influence of a rapidlyrotating star wheel, the assembler raised to position the composed linebetween a pair of depending fingers carried by a delivery slide whichmoves to the left through an intermediate channel to deliver the line toa transporter or so-called first elevator, the transporter lowered toposition the line between a pair of confining jaws and before the faceof a slotted mold, the spacers expanded to justify the line between thevise jaws, the mold advanced against the line and then filled withmolten metal to form a type bar or slug against the same, and after thecasting operation, the transporter raised to an upper level where theline is shifted to the right into an upper transfer channel, whence thematrices and spacers are returned to their original places of storage.

The usual, if not universal form of spacer employed in such machinescomprises a short wedge section which is supported in line with thematrices and a long pendant wedge section slidably connected thereto. Asso constructed, these spacers have an overall length of approximately 4inches as contrasted with the overall length of the matrices which isapproximately 1%, inches. Because of this difference in length, suchspacers cannot be stored in the same magazine or handled in the same wayas the matrices but instead require a separate box or storagecompartment and additional mechanism to effect their release and returnfrom and to said box or storage compartment. Furthermore, experience hastaught that, due to this difference in length, a pause in the operationof the keyboard must frequently be effected after the release of aspacer from its place of storage and before the release of the nextfollowing matrix in order 45* to secure proper assembly of the line. Inaddition, the difference in length between the spacers and matricesslows up the operation of the machine on account of the extra timerequired in raising and lowering the line the extra three inchesnecessary to free the lower ends of the pendant sections fromobstruction as they cir-,

culate through the machine, not to mention the fact that the extradistance that the line must be so raised and lowered adversely affectsthe .total height of the machine.

In accordance with the present invention, th foregoing and otherobjections are obviated by dividing the individual spacers into twoseparate or disconnected but complementary wedge shaped sections, one ofwhich is made substantially equal in length to the matrices and of likeform, and the other of which is made substantially longer than thematrices and of different form. A series of the shorter matrix-likesections are stored in a channeled magazine along with the matrices andthey are circulated through the machine along with the matrices. On theother hand, a series of the longer sections are stored permanently atthe line justifying station and, during the justifying operation,certain of these longer sections arebrought into cooperative engagementwith the shorter sections and forced upwardly through the line tojustify the same between the line clamping jaws.

For a detailed description of the invention, reference may be made tothe accompanying drawings wherein the invention has been shown inpreferred form, although obviously many variations and modifications maybe made therein which will be comprised within its spirit. It is to beunderstood, therefore, that the invention is not limited to any specificform or embodiment except insofar as such limitations are specified inthe appended claims.

In the drawings:

Fig. 1 is a front elevation of a typographical machine equipped with thepresent invention, certain parts being broken away to show some of thedetails;

Fig. 2 is a front elevation of the casting portion of the machine andshowing a composed line prior to justification;

Fig. 3 is a horizontal section taken along line 3-3 of Fig. 2 andlooking downwardly or in the direction of the arrows;

Fig. 4 is a vertical section taken through the casting mechanism andshowing the relation of the parts prior to line justification;

Fig. 5 is a view similar to'Fig. 4 but showing the relation of the partsat an initial stage in the line justifying operation, the dotted linesdepicting the relation of the parts at the end of the line justifyingoperation;

Fig. 6 is a detail front view showing the cam plate carried by theleft-hand vertical rod (of the justification device and its relation tothe stacking mechanism;

Fig. 7 is a view similar to Fig. 2 but showing the storage box shiftedslightly to the right to bring the upper ends of selected long spacersec- Cil tions against the extensions on the short spacer sections inthe line;

Fig. 8 is a view similar to Fig. 7 but showing the selected long spacersections driven upwardly through the line to justify the same;

Fig. 9 is a view similar to Fig. 4 but showing the first elevatorsupported at the upper casting level and the storage box for the longspacer sections raised a corresponding distance;

Fig, 10 is a detail view of the cam controlling the vertical position ofthe spacer storage box:

Fig. 11 is a detail view showing a portion of the assembler elevator andthe manner in: which the short spacer sections are supported therein;

Fig. 12 is a detail View showing themanner in which the short spacersections are stored in a channeled magazine;

Fig. 13 is a perspective view of the short spacer section; and

Fig. 14 is a perspective view of the long spacer section.

As. shown in the drawings, the improved spacers comprise a series ofshort wedge shaped sections l5 (Fig. 13) and. a series of longcomplementary wedge shaped sections it (Fig. 14). The short sections itare stored in a channel of. a magazine I? (Fig. 12), released therefromin response to the operation. of. the usual spacer key on the keyboardl8, and then composed in line with matrices X in, an assembler elevatorl9 (see Fig. 1). After composition, the elevator 19 is raisedtoposition. the composed line between a pair of depending fingers 2%), 2iof a line delivery slide 22, which then moves to the left through an.intermediate channel 23 to deliver the line to a transporter orso-called first elevator 2 2, which thereupon descends to position theline between apair of vise jaws 25., 26 and before a slotted mold I Ifor the line justifying and slug casting operations. After the castingoperation, the short sections l5 are returned along with the matrices Xto. their. common storage magazine 11 by means. of suitable distributingmechanism.

To enable the shortv spacer. sections l5 to be circulated through themachine with the matrices, they are provided with a pair of upperprojecting cars 28. and with. a. pair ofv lower projecting ears 28 and.28.? as well as with a distributing combination 29. It is to be noted,however, that the lower front ears 28 of the short spacer sectionsIii-are located. thereon at a higher level than the lower rear ears 25%.such that the spacer sections will always be assembled at the lowermostlevel in the assembling elevator t9, regardless of the position of theduplex rail 35 (see Fig.

11) and hence will always occupy the lowermost position in thetransporter 25 during line justification. In addition, the shortsections H5, at their lower ends, are provided with downward extensions3| which cooperate with the upper ends of selected long sections itduring the line justifying operation in the manner subsequently to bedescribed. The extensions 3! are desirably formed so that when the shortsections it are stored in the magazine 11, one above another, theextension on the lower end of an upper section will. enter the U-shapednotch created by the tooth combination 29 formed in the upper end of thenext lower sectin.(see Fig. 12).

The long spacer sections I6 are stored at the line justifyingand slugcasting station, and during a line justifying operation'selected onesare caused to cooperate with the short sections E in the line. To thisend, the. long sections it are stacked in a box 32 positioned in thevise frame 33 directly below the composed line when in casting position.Each long section it comprises a tapered or wedge shaped upper member 35and a rectangular lower member 36 joined together by a spring plate 37with the oppositely disposed ends thereof in spaced relation (Fig. 14).At its lower end, the tapered upper member 35 is provided with ananchor-shaped lifting dog 38 which is pivotally mounted thereon sothat'it may be rocked to and fro, in pendulum fashion, through the spacebetween the oppositely disposed ends of the two members and against thefrictional resistance created on the shank portion 39 thereof by a leafspring All formed by bending inwardly the central portion of theconnecting plate 31. Immediately below the lifting dog 38, the lowermember 36 is provided with a lifting pin 4| which is slidably mounted ina fore-and-aft hole drilled through the upper end of said member. Thefront end of the lifting pin i! normally protrudes a slight distancebeyond the front edge of the lower member 35 and into the path traveledby the usual line justification bar 42 as the latter moves upwardlyduring a line justifying operation, and the rear end of the pin bearsagainst a leaf spring 43 attached to the rear edge of the member 36. Thesections l6 as a whole are supported in the box 32 by means of a crossplate 45 which extends from one side of the box to the other and throughelongated slots 16 formed in the lower members 36.

The box 32 is normally located on the vise frame 33 in such positionthat when the descent of the transporter 25 is arrested at its uppermostcasting level (as in Fig. 9), the upper ends of the long spacer.sections it are below the lower ends of the matrices in the line andslightly above the level of the lower ends of the extensions 3| on theshort spacer sections l5. However, the box 32 is capable of verticaladjustment against the action of a pull spring 47 so that this conditionmay obtain when the descent of the transporter 25 is arrested at itslowermost level (as in Fig. 4). Also, the box 32 is so arranged that itmay be moved laterally to bring into cooperative engagement the upperends of the appropriate long sections 25 and the adjacent extensions 3!on the short sections i 5 in the line. Thus, the box 32 is secured tothe vise frame 33 through the medium of a skeleton bracket 43 to whichit is connected by a pair of upper and lower rods 49, 5t, and slidebearings 5|, 52; and the bracket it, at its opposite edges, is providedwith tongues 53, 5 which slide in corresponding grooves 55, 56 inbracket plates 5-3, 58 secured to the upright side members 59, 60 ofsaid frame.

The vertical adjustments of the box 32 are controlled by a cam 6! (seeFigs. 4, 9 and fastened on the manually operated rock shaft 62 by meansof which a filler piece 63 is carried into and out of operative positionto arrest the descent of thetransporter 25 at a higher or a lowercasting level, in a manner well understood in the art. The cam tivcontacts with the upper end of a vertical rod 65 slidably mounted at itsupper end in the vise frame 33. At its lower end, the rod 65 is providedwith an adjusting screw 66 which rests on the left end of a cross lever61 pivotally connected at its right end to the righthand bracket plate58 (Figs. 1 and 3). The central portion of the lever-6 1 rests on anadjusting screw 68 carried by a lug 69 attached to the central portionof the skeleton bracket 33. When the filler piece 63' is located inoperative position to arrest the transporter at its upper castfit 6|engages the upper end of the vertical rod 65, but when the rock shaft 62is turned to remove the filler piece 63 so that the transporter 25 willdescend to its lowermost level (see Fig. 4), the high part of the cam 6|engages the rod 65 and, through the above-described connections, lowersthe box 32 against the action of the spring 41 a like distance to locatethe upper ends of the long sections 16 in the desired cooperativerelation with the extensions 3| on the short sections l5 in the line.

The endwise movement of the box 32 to bring the upper end of selectedlong sections l6 into engagement with the extensions 3| on the shortsections I5 is effected by a cam plate 10 fastened to the upper end ofthe usual left-hand justification rod H and arranged to engage ananti-friction roller l2 carried by a stacker slide 13 mounted inhorizontal bearings 14 secured to the vise frame (Fig. '7). In thenormal or lowermost position of the before-mentioned justification bar42, the low upper portion of the cam plate Til engages the roller 12 onthe stacker slide 13, as shown in Fig. 2, but as the justification bar42 starts its upward movement, thestacker T3 is cammed to the rightagainst the long sections H5 and 3|! and moves the box 32 to the right,against the action of a pull spring 75, from the position shown in Fig.2 to that shown in Fig. '7. As the box 32 moves to the right, the upperends of the top members 35 of the long spacer sections i6 nearest theextensions 3| on the short spacer sections H are brought into contacttherewith, the spring plate 3"! permitting the upper ends of those topmembers 35 which first engage the extensions 3| adjacent thereto toyield while others which happen to have been spaced further fromadjacent extensions are making such contact.

As the justification bar 42 moves upwardly, it engages the resilientlymounted lifting pins 4| and carries the long spacer sections l6 upwardlytherewith. As these long spacer sections travel upwardly, the upper endsof those which were not brought into engagement with the extensions 3|on the short spacer sections |5 in the line, during the lateral movementof the box 32, engage the bottom face of the composed line and/or thebottom faces of the jaws 26, 21, and their lifting pins 4| are cammedinwardly by the rising bar 42, permitting the spacer sections to dropback to their original position of storage. The remaining or activespacer sections, however, that is to say, those whose upper ends werebrought into engagement with the extensions 3| on the short spacersections l5 in the line, are carried upwardly through the line until thefrictional resistance is such that their lifting pins 4| are carnmedinwardly by the upwardly moving bar. In the meantime, the lifting dogs38 of the active spacer sections I6 arecammed forwardly from theirnormal inactive position by a beveled edge 1'! formed on the rear wallof the box (see Fig. 5) into the path of the justification bar 42, whichthereupon engages them and so forces the sections upwardly through theline to effect justification. As the active spacer sections l6 travelupwardly through the line, they are maintained in facewise alignmentwith the matrices by means of the lower projecting ears 28 and 28 on theshort spacer sections l5, which, as shown in Fig. 13, are arrangedtooverlap the long sections l6 and guide them by engagement with theiropposite edges.

In order that justification may take place progressively as heretofore,the cross plate 45 on which the long sections l6 are supported in thebox 32 is inclined downwardly from right to left as best shown in Fig.2, and the cam plate 10 is so shaped that, in rising, it graduallypasses out of engagement with the roller 12 on the stacker slide 13,thus allowing the spring to pull the box 32 to the left so that thenecessary facewise movement of the long sections may take place duringthe justifying operation (see Fig. 8).

On the return movement of the justification bar 42 after casting, thelong sections l6 which were forced upwardly through the line, are pulleddown by means of the lifting pins 4|, the front ends of which in themeantime were forced forwardly by their springs 43 into a recess 85formed in the rear face of the bar 42. As the descent of the longsections I6 is stopped by the upper edge of the cross plate 45 and thedownwardly moving justification bar 42 passes the lifting pins 4|, across piece 86 secured thereto engages the front end of the lifting dogs38 and earns them rearwardly to their original or inactive position (seeFig. 4) In the meantime, the cam plate 1|) during its descent will haveengaged the roller I2 and forced the stacker 73 to the right to restackthe spacer sections H5 in the box 32 preparatory to the next justifyingoperation (Fig. 2).

To prevent looseness in the line after it is lowered between the jaws25, 26 and before the justification bar 42 starts its upward movement, aspring 9! (see Figs. '7 and 8) is introduced between the left-hand jawblock 9| and the banking block 92 on the left-hand jaw 25. The spring 90normally maintains the left-hand jaw 25 in a rightmost position asdetermined by the engagement of the head of a stud 93, about which it ispositioned, with the right end face of the banking block 92, but as theline delivery slide 22 moves to the left (see Fig. 2) the long orleading finger thereof engages the left-hand jaw and pushes it to theleft against the action of the spring 90 to its line receiving positionwhere the block 92 banks against the jaw block 9|. After the line hasbeen delivered between the jaws 25, 26 and the line delivery slide 22moves back to its line receiving position, the spring 90 again acts toforce the left-hand jaw 25 to the right (see Fig. '2) to take up anylooseness in the line which, if permitted, might enable unintended longspacer sections Hi to find their way upwardly through the line. Duringthe line justifying operation, the left-hand jaw 25 is again forced tothe left against the action of the spring 90 until the banking block Q2engages the jaw block 9|, thus insuring that the line will be justifiedto a definite predetermined length.

Having thus described my invention, what I claim is:

1. In or for a typographical machine, a line justifying spacercomprising two separate sections, one adapted to be circulated throughthe machine, and the other unadapted for circulation through the machinebut adapted to be stored at the justifying station for cooperation withthe first mentioned section.

2. In or for a typographical machine, a line justifying spacercomp-rising two separate sections of different lengths, the shortersection being constructed for circulation through the machine, and thelonger section unadapted for circulation through the machine but adaptedfor storage at the line justifying station to cooperate with the shortersection.

3. In or for a typographical machine, a line justifying spacercomprising two separate wedge shaped sections of diiferent lengths, theshorter section being provided with upper and lower projecting ears andwith a distributing combination which enable it to be circulated throughthe machine, and the longer section unadapted for circulation throughthe-machine but being constructed for storage at the justifying stationto cooperate with the shorter section.

4. A spacer as set forth in claim 3, characterized by the fact that thelower front ear of the shorter section is positioned at a higher levelthan that of the lower rear ear of said section so that said sectionwill always be assembled in line at the lower level.

5. A spacer as set forth in claim 3, characterized by the fact that theears on the shorter section present opposed vertical parallel shoulldersto maintain the longer section in proper alignment during linejustification.

6. A spacer as set forth in claim 3, characterized by the fact that theshorter section is provided at its lower end with a downward exten sionto cooperate with the longer section in effecting line justification.

'7. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine, a series of long wedge shaped spacer sections stored at thejustifying station, means for bringing certain selected long sectionsinto cooperative engagement with the short sections in the assembledline, and means for forcing said selected long sections through the lineto effect line justification.

3. In a typographical machine, the combination of a series of shortwedge shaped sections constructed for circulation through the machine, aseries of long wedge shaped sections stored at the justifying stationwith the upper ends thereof located below the bottom face of a. composedline when standing at said station, means for bringing certain selectedlong sections into cooperative engagement with the short sections in theline, and means for forcing said selected long sections upwardly throughthe line to justify the same.

9. In a typographical machine, the combination of a series of shortwedge shaped sections constructed for circulation through the machine, aseries of long wedge shaped sections stored at the justifying stationwith the upper ends there'- of located below the bottom face of acomposed line when standing at said station, means for moving said longsections facewise to bring selected ones intocooperative engagement withthe short sections in the line, and means for thereafter forcing saidselected long sections upwardly through the line to justify the same.

10. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine, a series of long wedge shaped spacer sections stored at thejustifying station with the upper ends thereof located below the bottomface of a composed line when standing at said station, a stacker formoving said long sections facewise to bring selected ones intocooperative engagement with the short sections in the line, and meansfor thereafter forcing said selected long sections upwardly through theline to justify the same.

11. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine, a series of long wedge shaped spacer sections stored at thejustifying station with the upper ends thereof located below the bottomface of a composed line when standing at said station, means responsiveto the operation of the level adjusting means for shifting the positionof said long spacer sections whereby the upper ends thereof will bear adefinite relationship with respect to the lower face of said lineregardless of the level thereof, a stacker for moving said long sectionsfacewise to bring selected ones into cooperative engagement with theshort sec tions in the line, and means for thereafter forcing saidselected long sections upwardly through the line to justify the same.

12. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine and having downward extensions at the lower ends thereof, aseries of resilient long wedge shaped spacer sections stored at thejustifying station with the upper ends thereof located below the bottomface of a line standing at said station, a stacker for moving said longsections facewise to bring the upper ends of selected ones intoengagement with the downward extensions on the short sections in theline, and means for forcing said selected long sections upwardly throughthe line to justify the same.

13. In a typographical machine, the combination of a series of shortwedge shaped sections constructed for circulation through the machineand having downward extensions at the lower ends thereof, a series oflong wedge shaped spacer sections stored at the justifying station withthe upper ends thereof positioned below the bottom face of an assembledline when standing at said station, means for moving said long sectionsfacewise to bring the upper ends ofselected ones into engagement withthe downward extensions on the short sections in the line, yieldingmeans for taking up any looseness in the line when standing at saidstation, and means for forcing said selected long sections upwardlythrough the line to justify the same.

14. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine and having downward extensions at the lower ends thereof, aseries of long wedge shaped spacer sections stored in a box with theupper ends thereof located below the bottom face of a line standing atthe justifying station but above the level of the lower ends of saiddownward extensions on the short sections in the line, a verticallymovable justification bar, means responsive to the initial movement ofsaid bar for bringing the upper ends of selected long sections intoengagement with said downward extensions, and means responsive to thecontinued movement of said bar for forcing said selected long sectionsupwardly through the line to justify the same.

15. In a typographical machine, the combination of a series of shortwedge shaped sections constructed for circulation through the machineand having downward extensions at the lower ends thereof, a series oflong wedge shaped spacer sections stored at the justification stationwith the upper ends thereof located below the bottom face of a linestanding at said station but above the level of the lowerends of saiddownward extensions, a stacker for moving said series of long sectionsto carry the upper ends of selected ones into engagement with thedownward extensions on the short sections in the line, a verticallymovable justification bar, means responsive to the initial movement ofsaid bar for actuating said stacker, and means responsive to thecontinued movement of said bar for forcing said selected long sectionsupwardly through the line to justify the same.

16. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine and having downward extensions at the lower ends thereof, aseries of long wedge shaped spacer sections stored at the justificationstation with the upper ends thereof located below the bottom face of aline when standing at said station but above the level of the lower endsof said downward extensions, a stacker for moving said series of longsections to carry the upper ends of selected ones into engagement withthe downward extensions on the short sections in the line, a verticallymovable justification bar, means responsive to the initial movement ofsaid justification bar for actuating said stacker, and means responsiveto the continued movement of said bar for forcing said selected longsections upwardly through the line to justify the same, said stackeractuating means being adapted to be rendered inoperative during thecontinued movement of said bar so that all of said long wedge sectionsmay move sidewise as said selected sections are forced upwardly throughthe line.

17. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine and having downward extensions at the lower ends thereof, aseries of long yieldingly constructed wedge shaped spacer sectionsstored at the line justification stationwith the upper ends thereoflocated below the bottom face of a line when standing at said stationbut above the level of the lower ends of said downward extensions,yielding means for taking up any looseness in the line when standing atsaid station, a stacker forI moving said series of long sections tocarry the upper ends of selected ones into engagement with the downwardextensions on the short sections in the line, a vertically movablejustification bar, means responsive to the initial movement of saidjustification bar for actuating said stacker, and means responsive tothe continued movement of said bar for forcing said selected sectionsupwardly through the line to justify the same, said stacker actuatingmeans being adapted to be rendered inoperative during the continuedmovement of said bar so that all of said long wedge sections may movesidewise as required as said selected sections are forced upwardlythrough the line.

18. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed. for circulation through themachine and having downward extensions on the lower ends thereof, aseries of long resiliently constructed wedge shaped spacer sectionsstored at the justification station with the upper ends thereof locatedbelow the bottom face of a line standing at said station but above thelevel of the lower ends of the downward extensions on the short sectionsin the line, yielding means for taking up any looseness in the linewhile standing at said station, a stacker for moving said series of longsections sidewise to carry the upper ends of selected ones intoengagement with the downward extensions on the short sections in theline, a vertically movable justification bar, means responsive to theinitial upward movement of said justification bar for actuating saidstacker and to the continued upward movement of said bar for renderingsaid stacker inoperative, spring pressed lifting pins carried by saidlong sections and which are first engaged by said bar during its initialupward travel and then depressed thereby, normally inoperative liftingdogs also carried by said long sections, and means responsive to furtherupward movement of the justification bar for shifting the dogs carriedby the selected long sections into the path of said bar so that saidselected sections will be forced upwardly through the line to justifythe same.

19. In a typographical machine, the combination of a series of shortwedge shaped spacer sec-' tions constructed for circulation through themachine and having downward extensions at the lower ends thereof, aseries of long yieldingly constructed wedge shaped spacer sectionsstored at the justification station with the upper ends thereof locatedbelow the bottom face of a line standing at said station but above thelevel of the lower ends of the downward extensions on the short sectionsin the line, yielding means for taking up any looseness in the linewhile standing at said station, a stacker for moving said series of longsections facewise to carry the upper ends of selected ones intoengagement with the extensions on the short sections in the line, avertically movable justification bar, means re sponsive to the intitialupward movement of said justification bar for actuating said stacker,spring pressed lifting pins carried by said long sections and which arefirst engaged by said bar during its initial upward travel and thendepressed thereby, normally inoperative lifting dogs also carried bysaid long sections, and means responsive to further upward movement ofthe justification bar for shifting the dogs carried by the selected longsections into the path of said bar so that said selected sections areforced upwardly through the line to justify the same, said stackeractuating means being adapted to be rendered inoperative as saidselected sections are forced upwardly through the line so that all ofsaid sections may be moved sidewise as required during linejustification.

20. In a typographical machine, the combination of a series of shortwedge shaped spacer sections constructed for circulation through themachine and having downward extensions at the lower ends thereof, aseries of long yieldingly constructed wedge shaped spacer sectionsstored at the justification station with the upper ends thereof locatedbelow the bottom face of a line standing at said station but above thelevel of the lower ends of the downward extensions on the short sectionsin the line, yielding means for taking up looseness in the line whilestanding at said station, a stacker for moving said series of longsections sidewise to carry the upper ends of selected ones intoengagement with the downward extensions on the short sections in theline, a vertically movable justification bar, means responsible to theinitial upward movement of said justification bar for actuating saidstacker and to the continued upward movement of said bar for renderingsaid stacker inoperative, spring pressed lifting pins carried by saidlong sections and which are first engaged by said bar during itsnormally inoperative lifting dogs also carried by said long sections,means responsive to the further upward movement of the justification barfor shifting the dogs carried by the selected long sections into thepath of said bar so that said selected sections Will be forced upwardlythrough the line to justify the same, and means responsive "initialupward travel and then depressed thereby,

place of 5

